主题词：Trace Elements in Health; Magnesium in Health and Disease; Heavy Metal Exposure and Toxicity; Selenium in Biological Systems; Aluminum toxicity and tolerance in plants and animals; Human Health and Disease; Parathyroid Disorders and Treatments; Diet and metabolism studies; Heavy metals in environment; Heavy Metals in Plants; Birth, Development, and Health; Pharmacological Effects and Toxicity Studies; Iron Metabolism and Disorders; Chromium effects and bioremediation; Complementary and Alternative Medicine Studies; Biochemical effects in animals; Nutrition and Health in Aging; Nutritional Studies and Diet; Analytical chemistry methods development; Electrochemical Analysis and Applications; Sodium Intake and Health; Nutrition, Health and Food Behavior; Pregnancy and preeclampsia studies; Bipolar Disorder and Treatment; Radioactivity and Radon Measurements